*{
  margin:0;
  padding:0;
  box-sizing: border-box;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url('../assets/bg.jpg');
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}
li{
  list-style: none;
}
/* 声明字体*/
@font-face {
  font-family: electronicFont;
  src: url(../assets/font/DS-DIGIT.TTF)
}
/* 约束屏幕尺寸 */
@media screen and (max-width: 1024px) {
  html {
    font-size: 42px !important;
  }
}
@media screen and (min-width: 1920px) {
  html {
    font-size: 80px !important;
  }
}